Overview Edge evaluation


With this block an edge evaluation is implemented. Depending on the setting, rising edge 0->1, falling edge 1->0 or change can be evaluated.



Inputs

FL
Edge
Input edge evaluation
RS
Reset
On a positive edge at the input the output is set to 0. Only with type static output.



Outputs

A1
Output
Output is set to 1 as soon as an edge has been detected.



Parameters

Type input

  • Rising edge 0->1: output is set to 1 when the input changes from 0 to 1.
  • Falling edge 1->0: output is set to 1 when the input changes from 1 to 0.
  • Change: output is set to 1 when the input changes from 0 to 1 or 1 to 0.

Type output
  • Pulse: if an edge is detected, the output is set to 1 and back to 0 after 4 seconds.
  • Static: if an edge is detected, the output is set to 1. This can be reset via the input Reset.


See also common parameters of all function blocks.